Join Free

1900s (20th Century) Maps of Monrovia, California

Explore 36 historic maps of Monrovia from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.

Whether you're researching your family's past, planning a metal detecting trip, or studying how Monrovia's landscape evolved across the 1900s, these high-resolution maps are a powerful tool for exploring the history of this region.

  • Focus on a specific era: All maps on this page are from the 1900s, giving you a focused view of this time period.
  • See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
  • Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
  • View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.

Start exploring Monrovia's history through authentic maps from the 1900s. This is your window into the past.

Monrovia, CA maps

(36)
  1. 1900 Map of Pasadena
    1900 Map of Pasadena
    1900 Pasadena
    1900 Print · USGS
    The San Gabriel Valley is captured here at a pivotal moment of expansion just as the rail networks reached the foothills. Researchers can trace the layout of early Pasadena and Monrovia, locate the Echo Mountain Mt. Lowe Hotel, or find the historic Mission and Raymond Hotel.
    10 unique versions available
  4. 1900 Map of Los Angeles
    1900 Map of Los Angeles
    1900 Los Angeles
    1900 Print · USGS
    Greater Los Angeles was a mosaic of expansive ranchos and emerging rail towns at the turn of the century. You can trace the early footprints of Hollywood, locate the historic Soldiers Home, and follow the mountain rails to the Echo Mountain Mt. Lowe Hotel.
    4 unique versions available
  7. 1901 Map of Southern California Sheet No. 1
    1901 Map of Southern California Sheet No. 1
    1901 Southern California Sheet No. 1
    1901 Print · USGS
    Greater Los Angeles at the dawn of the twentieth century is a landscape of growing citrus towns and a burgeoning rail network. Genealogists and historians can trace the early gridded streets of Hollywood and Pasadena or locate landmarks like Bear Lake and the Cahuilla Indian Reservation.
    6 unique versions available
  10. 1904 Map of Pomona
    1904 Map of Pomona
    1904 Pomona
    1904 Print · USGS
    The eastern San Gabriel Valley is shown here at the turn of the century as a burgeoning network of citrus towns and vital rail lines. Genealogists can trace early homesteads and vanished stops such as Lordsburg, Alosta, and the Rowland Siding along the Southern Pacific RR.
    7 unique versions available
  13. 1904 Map of Southern California Sheet No. 1, 1905 Print
    1904 Map of Southern California Sheet No. 1, 1905 Print
    1904 Southern California Sheet No. 1
    1905 Print · USGS
    Southern California at the dawn of the twentieth century shows a landscape of citrus groves and coastal towns connected by rail. Genealogists and historians can trace early settlements like San Juan Capistrano, find remote sites like the Rose Mine, and study the original water systems of the Santa Ana River.
    2 unique versions available
  16. 1925 Map of Azusa
    1925 Map of Azusa
    1925 Azusa
    1925 Print · USGS
    The San Gabriel Valley comes alive in the mid-twenties as rail lines and citrus-era street grids expand toward the Sierra Madre. Trace family roots and local history at the Jewish Sanitarium, Live Oak Cemetery, or the old Kincaid Siding.
  19. 1928 Map of Azusa
    1928 Map of Azusa
    1928 Azusa
    1928 Print · USGS
    The San Gabriel Valley in the mid-twenties shows a thriving network of rail lines and citrus towns beneath the mountain peaks. Trace early residential footprints in Monrovia and Azusa, and locate landmarks like the Jewish Sanitarium and Irwindale school.
    3 unique versions available
  22. 1928 Map of Sierra Madre
    1928 Map of Sierra Madre
    1928 Sierra Madre
    1928 Print · USGS
    The San Gabriel Valley foothills were rapidly expanding in the late twenties as orchard lands gave way to suburban tracts. Genealogists and researchers can trace early homesteads and rail lines like the Pacific Electric, the Temple School, and the historic Mission San Gabriel.
  25. 1933 Map of Sierra Madre
    1933 Map of Sierra Madre
    1933 Sierra Madre
    1933 Print · USGS
    The foothills of the San Gabriel Mountains come alive in the 1930s as residential growth meets the rugged canyons of the Angeles National Forest. Genealogists and hikers can trace early mountain retreats like Orchard Camp, Henninger Flats, and the First Water Resort.
  28. 1933 Map of Azusa
    1933 Map of Azusa
    1933 Azusa
    1933 Print · USGS
    The San Gabriel foothills during the early 1930s show a transition from steep wilderness to specialized health and youth camps. You can trace the footprint of the Canyon Tuberculosis Preventorium and the Spring Boy Scout Camp near Bradbury.
  31. 1939 Map of Azusa
    1939 Map of Azusa
    1939 Azusa
    1939 Print · USGS
    The foothills of the San Gabriel Mountains come alive in the late 1930s, showing the transition from citrus groves to early suburban development. Researchers can trace the extensive rail networks of the Pacific Electric Railway and find local landmarks like Liveoak Cemetery and the South Pasadena Veterans Camp.
    3 unique versions available
  34. 1941 Map of Sierra Madre
    1941 Map of Sierra Madre
    1941 Sierra Madre
    1941 Print · USGS
    The San Gabriel foothills and burgeoning valley floor are captured here just before the mid-century population explosion. Genealogists and local historians can trace the early layouts of Arcadia, Sierra Madre, and the historic Kinneloa Ranch near the Pacific Electric lines.
    2 unique versions available
  37. 1949 Map of Los Angeles
    1949 Map of Los Angeles
    1949 Los Angeles
    1949 Print · USGS
    Southern California and the South Coast appear at the onset of the post-war boom, from the Channel Islands to the Mojave Desert. Trace early aviation sites like Lockheed Air Terminal and mining history at the Redrock Quicksilver Mine and Redrover Mine.
    2 unique versions available
  40. 1953 Map of San Bernardino
    1953 Map of San Bernardino
    1953 San Bernardino
    1953 Print · USGS
    Southern California underwent massive post-war growth as suburban sprawl reached the foothills of the San Bernardino Mountains. Genealogists and historians can trace the rail-and-road roots of the Inland Empire through the Union Pacific RR and Lake Arrowhead resorts.
    2 unique versions available
  43. 1953 Map of Azusa, 1955 Print
    1953 Map of Azusa, 1955 Print
    1953 Azusa
    1955 Print · USGS
    The foothills of the San Gabriel Mountains meet the expanding suburban grids of Monrovia and Azusa during the early fifties. Local historians can trace the paths of the Pacific Electric and AT&SF RR near landmarks like Liveoak Cemetery and Westminster Gardens.
    2 unique versions available
  46. 1953 Map of El Monte, 1955 Print
    1953 Map of El Monte, 1955 Print
    1953 El Monte
    1955 Print · USGS
    The San Gabriel Valley was undergoing a massive suburban transformation in the early fifties. Genealogists and local historians can trace the footprint of the San Gabriel Mission, the Pasadena-Rosemead Airport, and numerous Oil Wells before the valley's open lands were fully developed.
    2 unique versions available
  49. 1953 Map of Mt. Wilson, 1955 Print
    1953 Map of Mt. Wilson, 1955 Print
    1953 Mt. Wilson
    1955 Print · USGS
    The foothills of the San Gabriel Mountains meet the expanding suburbs of the San Gabriel Valley during the early fifties. Researchers can trace the path of the PE Electric RR, locate the Echo Mountain (Site), and find local landmarks like Kinneloa Ranch or the Mt Alverno Convent.
    3 unique versions available
  52. 1953 Map of Baldwin Park, 1955 Print
    1953 Map of Baldwin Park, 1955 Print
    1953 Baldwin Park
    1955 Print · USGS
    The San Gabriel Valley in the mid-fifties is captured here as orange groves and river washes give way to suburban sprawl. Researchers can trace the legacy of local schools and specialized facilities like St Johns School or the Sierra Lodge Sanitarium.
    2 unique versions available
  55. 1955 Map of Los Angeles
    1955 Map of Los Angeles
    1955 Los Angeles
    1955 Print · USGS
    The mid-century transformation of Southern California comes into focus as the urban sprawl of Los Angeles meets the wilderness of the Santa Monica Mountains. Researchers can trace the development of post-war suburbs alongside historic landmarks like the Santa Barbara Lighthouse and early industrial sites such as the Good Luck Mine.
  58. 1956 Map of San Bernardino
    1956 Map of San Bernardino
    1956 San Bernardino
    1956 Print · USGS
    Southern California's Inland Empire and High Desert come into focus in the mid-fifties as agriculture gives way to suburban and military growth. Trace early rail lines like the Pacific Electric or find remote landmarks like Camp Rock Mine and George AFB.
  61. 1957 Map of San Bernardino
    1957 Map of San Bernardino
    1957 San Bernardino
    1957 Print · USGS
    Southern California's Inland Empire and High Desert met during the postwar expansion of the late fifties. Genealogists and historians can trace the growth of San Bernardino and Redlands alongside remote landmarks like Edwards AFB and the Camp Rock Mine.
  64. 1958 Map of San Bernardino, 1975 Print
    1958 Map of San Bernardino, 1975 Print
    1958 San Bernardino
    1975 Print · USGS
    Southern California’s Inland Empire and High Desert come into focus during the mid-century boom, showing the rise of suburbs and massive military installations. Researchers can trace the rail networks of the Union Pacific RR or locate landmarks like Norton AFB and Big Bear Lake.
  67. 1959 Map of Los Angeles
    1959 Map of Los Angeles
    1959 Los Angeles
    1959 Print · USGS
    Coastal California and the high desert met in a period of booming growth after the war. Researchers can trace early aviation and military history at the Point Mugu Air Missile Test Ctr or locate desert mining sites like the Double Eagle Mine.
    3 unique versions available
  70. 1959 Map of San Bernardino
    1959 Map of San Bernardino
    1959 San Bernardino
    1959 Print · USGS
    Southern California underwent a massive transformation in the late fifties as suburban growth and military power reshaped the desert and valley. Researchers can trace the legacy of the Union Pacific Railroad and locate early footprints of Joshua Tree National Monument and Edwards Air Force Base.
  73. 1966 Map of Los Angeles
    1966 Map of Los Angeles
    1966 Los Angeles
    1966 Print · USGS
    Southern California underwent a mid-century transformation as suburban grids reached the base of the San Gabriel Mountains. Researchers can trace the path of the Los Angeles Aqueduct or locate defense landmarks like Edwards Air Force Base.
Showing maps 1-25 of 36

Top cities near Monrovia

See more

Frequently asked questions

  • What are the different types of historical maps available for Monrovia?
  • What is the oldest map of Monrovia?
  • Where can I purchase historical maps of Monrovia for my home or office?
  • Where can I download high-res historical maps of Monrovia?
  • Are there historical topographic maps available for Monrovia?
  • Is there historical aerial imagery available for Monrovia?
  • Where are historical maps of Monrovia sourced from?